The Allegheny County medical examiner's office this morning identified a man killed Sunday night in a crash on Route 51.

James Posey, 60, of Pittsburgh, died and several others were injured, when multiple vehicles collided at Route 51, also known as Saw Mill Run Boulevard, and Woodruff Street shortly after 9:15 p.m., according to emergency responders at the scene.

Pittsburgh police Sgt. Chad O'Brien said one driver is in custody and suspected of driving under the influence.

An Allegheny County dispatcher said police had closed the Parkway ramp at Route 51.

KDKA-TV reported that three children were injured in the crash. Their conditions were not available this morning.